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"Jurgis could see all the truth now -- could see himself, through the whole long course of events, the victim of ravenous vultures that had torn into his vitals and devoured him; of fiends that had racked and tortured him, mocking him, meantime, jeering in his face. ...And they could do nothing, they were tied hand and foot -- the law was against them, the whole machinery of society was at their oppressors' command!"

This quote personifies Jurgis' thoughts of business and government......

Personification/ Simile

"Now and then a visitor wept, to be sure; but this slaughtering machine ran on, visitors or no visitors. It was like some horrible crime committed in a dungeon, all unseen and unheeded, buried out of sight and of memory."

Personification: Machines do not physically run, as they are controlled by humans.